822366 has 32 divisors (see below), whose sum is σ = 1858080. Its totient is φ = 269568.

The previous prime is 822361. The next prime is 822379. The reversal of 822366 is 663228.

822366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822361) by changing a digit.

822366 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5160 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (58065).

2⁸²²³⁶⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 822366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (929040).

822366 is an abundant number, since it is smaller than the sum of its proper divisors (1035714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

822366 is a wasteful number, since it uses less digits than its factorization.

822366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 259 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 822366 is about 906.8439777602. The cubic root of 822366 is about 93.6889522558.

The spelling of 822366 in words is "eight hundred twenty-two thousand, three hundred sixty-six".